The First State Mortgage borrower app — also known as FSM Easy Path — is a residential
home-loan portal built on the SimpleNexus platform, now operated by nCino. It serves
US mortgage borrowers across the full lifecycle: application, document upload, electronic
disclosures, and loan-status tracking. Behind the branded splash screen lies a well-mapped
SimpleNexus tenant backend, meaning the data model is consistent and understood even
when the lender's name changes.
For lenders, compliance teams, and fintech developers, this app holds a concentrated set
of structured mortgage data: 1003/URLA application fields, uploaded document records,
eConsent and disclosure-signature events, and per-loan milestone states. Every one of
those surfaces sits on an authenticated server session — not on the device — making it
a reachable and valuable integration target under borrower authorization.
OpenBanking Studio maps this surface and delivers working code, auth-flow documentation,
and an OpenAPI specification so your team can pull the data without rebuilding the
protocol from scratch. The integration is scoped to First State Mortgage's specific
SimpleNexus tenant (com.simplenexus.loans.client.s__5939), ensuring loan files from
other lenders on the same shared platform never enter your data set.
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SUPPORTED API FEATURES
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The First State Mortgage integration covers the following authenticated data surfaces,
all tied to a borrower's server-side account — not local device storage:
• Loan Application Data (1003 / URLA)
Full per-field, per-borrower, per-loan application data captured through
the guided application flow, including income, assets, and property details.
• Uploaded Document Access
Per-file records from the in-app document scanner, including file type,
capture timestamp, and target loan association. Documents route to the
lender's LOS and are accessible at the upload boundary.
• Disclosure & eConsent Status
Per-document disclosure status, eConsent flags, and electronic signature
timestamps — captured as push-triggered state changes rather than a
static list, so no event is missed.
• Loan Milestone Tracking
Per-loan stage data from the borrower dashboard, covering the full
pipeline from application through processing and closing.
• Multi-Loan Portfolio View
Summary rows for borrowers carrying more than one loan file, enabling
a household-level portfolio view across applications.
• OAuth 2.0 Authorized Session
Protocol analysis of the borrower authentication session, including
token acquisition, refresh timing, and re-auth paths — all documented
against a consenting test account.
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USE CASES & APPLICATIONS
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[1] Lender Operations & Processor Dashboards
• Mirror application and document-checklist state into an internal tool
• Give processors a completeness view without logging into each borrower app
• Reconcile application fields against loan origination system records
• Automate data prefill into CRM or underwriting platforms
[2] Compliance & Audit Trail Management
• Pull the full disclosure-and-signature trail into a dedicated audit store
• Key compliance records by loan ID and timestamp automatically
• Capture Loan Estimate and Closing Disclosure events with signed timestamps
• Build event-driven triggers when disclosures are acknowledged or signed
[3] Borrower-Permissioned Data Portability
• Let homeowners export their own loan file and document set
• Support borrowers moving servicers or financial advisors
• Provide a structured personal data export under borrower authorization
• Enable self-service access to application history and uploaded documents
[4] Pipeline & Status Notification Systems
• Feed per-loan milestone data into a pipeline management view
• Drive borrower-facing status notifications triggered by stage changes
• Monitor loan progression from submission through closing in real time
• Integrate milestone events with CRM follow-up workflows
[5] Fintech & Third-Party Application Development
• Build mortgage data aggregation tools across multiple borrower apps
• Connect First State Mortgage data with Floify, Blend, Roostify, or Maxwell
• Develop unified loan-file models that span multiple SimpleNexus tenants
• Power advisory tools with structured 1003/URLA field data
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BENEFITS & ADVANTAGES
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✓ Borrower-Authorized Access
Integration is built on the account holder's own authorization, resting
on Gramm-Leach-Bliley privacy obligations — the most dependable legal
basis available for US residential mortgage data today.
✓ Complete Protocol Documentation
Receive an OpenAPI/Swagger specification, auth-flow report, and
request/response shapes for every documented surface — no reverse-
engineering required on your side.
✓ Runnable Delivery Code
Working Python or Node.js source for authenticate, fetch, document-list,
and disclosure-read endpoints — hosted by you, ready to deploy from day one.
✓ Automated Test Coverage
Tests run against a consenting account and flag broken calls before they
reach your data pipeline. A front-end change that shifts an endpoint shows
as a red test, not a silent data gap.
✓ Tenant-Scoped Isolation
Integration is pinned to First State Mortgage's specific tenant (s__5939),
ensuring loan files from other lenders on the shared SimpleNexus platform
never cross into your data set.
✓ Event-Driven Disclosure Capture
eConsent and disclosure state changes are captured as they occur, not
through periodic re-pulls. Every signed Closing Disclosure and issued
Loan Estimate is recorded with its exact timestamp.
✓ Low Ongoing Maintenance
Automated tests serve as the early-warning system for platform updates.
When a SimpleNexus release shifts a request shape, a scoped re-validation
pass patches the affected surface — no full rebuild required.
OpenBanking Studio offers flexible engagement options for the First State Mortgage
integration, sized to your actual use case:
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Hosted Delivery (from $300)
• Runnable source code delivered in Python or Node.js
• You host the endpoints on your own infrastructure
• Payment only after delivery, once the code works against your test account
• Includes OpenAPI spec, protocol report, and interface documentation
• Typical cycle: one to two weeks from consenting test account setup
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Pay-Per-Call (no upfront cost)
• Call OpenBanking Studio endpoints directly — no hosting required
• Billed per call with nothing paid in advance
• Suitable for lower-volume or exploratory integrations
• Same consenting-account setup and compliance logging included
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Scope & Consent Arrangement
• Access and compliance details arranged with your team during onboarding
• Consent capture and logging built into the delivery
• NDA available where the lender requires one
• Both routes (session and native LOS handoff) sized before committing
The First State Mortgage (FSM Easy Path) borrower app holds a well-structured set of
US residential mortgage data: application fields, document records, disclosure events,
and loan milestones — all on the SimpleNexus/nCino backend, all reachable under the
borrower's own authorization. The integration is not a generic kit. It is mapped to this
specific tenant, documented from protocol analysis, and delivered as working code with
tests that catch breaks before they affect your pipeline.
For lender ops teams, compliance functions, and fintech developers building borrower-
permissioned tools, this is a production-ready path to structured mortgage data without
the overhead of building the protocol layer from scratch. The engagement starts from $300,
completes in one to two weeks, and is scoped to your actual use case before any commitment
is made.
To review the full integration mapping, data surfaces, authorized routes, and delivery
details, visit the integration page directly:
Tell the team the app and what you want out of its data — they scope it from there.
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OpenBanking Studio · Authorized app interface integration · US mortgage data
Mapping reviewed May 2026 · First State Mortgage is an independent third-party app.
This document describes an integration approach and is not affiliated with the app
or its operator, First State Mortgage LLC, a subsidiary of First State Bank.